.todo-header {
 padding: 10px 0;
}
.todo-header input {
  display: block;
  margin: 0 auto;
  width: 100%;
  height: 30px;
  border: 1px solid #ddd;
  border-radius: 5px;
  outline: none;
  padding: 5px;
  padding: 0 10px;
}